diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2018-07-09 20:47:07 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2018-07-09 20:47:07 +0200 |
| commit | 710eefe85a976c438da255499fbefd1a6c989ef6 (patch) | |
| tree | 3467ac95a3c574bdf41105e012df2e4c540ed859 /pkg/ast/ast.go | |
| parent | f25e57704183544b0d540ef0035acfa6fb9071d7 (diff) | |
pkg/compiler: support negative integers
Currently we have to use 0xffffffffffffffff to represent -1,
and we can't express e.g. -20:20 int range.
Support negative consts to fix both problems.
Diffstat (limited to 'pkg/ast/ast.go')
| -rw-r--r-- | pkg/ast/ast.go | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/pkg/ast/ast.go b/pkg/ast/ast.go index 610d22f30..1e1e97221 100644 --- a/pkg/ast/ast.go +++ b/pkg/ast/ast.go @@ -169,19 +169,20 @@ func (n *String) Info() (Pos, string, string) { return n.Pos, tok2str[tokString], "" } -type intFmt int +type IntFmt int const ( - intFmtDec intFmt = iota - intFmtHex - intFmtChar + IntFmtDec IntFmt = iota + IntFmtNeg + IntFmtHex + IntFmtChar ) type Int struct { Pos Pos // Only one of Value, Ident, CExpr is filled. Value uint64 - valueFmt intFmt + ValueFmt IntFmt Ident string CExpr string } @@ -194,7 +195,7 @@ type Type struct { Pos Pos // Only one of Value, Ident, String is filled. Value uint64 - valueFmt intFmt + ValueFmt IntFmt Ident string String string HasString bool @@ -202,7 +203,7 @@ type Type struct { HasColon bool Pos2 Pos Value2 uint64 - value2Fmt intFmt + Value2Fmt IntFmt Ident2 string Args []*Type } |